.btn-circle {
    width: 49px;
    height: 49px;
    text-align: center;
    padding: 5px 0;
    font-size: 20px;
    line-height: 2.00;
    border-radius: 30px;
}

.btn-circle-micro {
    width: 19px;
    height: 19px;
    text-align: center;
    padding: 1px 0;
    font-size: 13px;
    line-height: 0.1;
    border-radius: 30px;
}

.btn-circle-sm {
    width: 35px;
    height: 35px;
    text-align: center;
    padding: 2px 0;
    font-size: 20px;
    line-height: 1.65;
    border-radius: 30px;
}

.btn-circle-lg {
    width: 79px;
    height: 79px;
    text-align: center;
    padding: 13px 0;
    font-size: 30px;
    line-height: 2.00;
    border-radius: 70px;
}